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  5. Installation And Operating Manual

Bunn Single SH BrewWISE DBC Installation And Operating Manual

Manual is about: Bunn Dual SH BrewWISE DBC: Operating Manual

Summary of Single SH BrewWISE DBC

  • Page 1

    Installation & operating manual bunn-o-matic corporation post office box 3227 springfield, illinois 62708-3227 phone: (217) 529-6601 fax: (217) 529-6644 to obtain the illustrated parts catalog, visit the bunn-o-matic website, at www.Bunn.Com. This is absolutely free, and the quickest way to obtain t...

  • Page 2

    Page 2 bunn-o-matic commercial product warranty bunn-o-matic corp. (“bunn”) warrants equipment manufactured by it as follows: 1) all equipment other than as specified below: 2 years parts and 1 year labor. 2) electronic circuit and/or control boards: parts and labor for 3 years. 3) compressors on re...

  • Page 3

    Page 3 table of contents user notices ..................................................................................................................................4 electrical ..........................................................................................................................

  • Page 4

    Page 4 00656.0000 00831.0000 00658.0000 20201.5600 user notices the notices on this brewer should be kept in good condition. Replace unreadable or damaged labels. 37881.0001 03408.0004 03409.0004 34025.2 051007.

  • Page 5

    Page 5 34025.2 051007 electrical hook-up (models without power cord) caution – improper electrical installation will damage electronic components. Damage caused by incorrect electrical connections is not covered by warranty. 1. An electrician must provide electrical service as specified in conforman...

  • Page 6

    Page 6 plumbing requirements this brewer must be connected to a cold water system with operating pressure between 20 and 90 psi (138 and 620 kpa) from a 1 ⁄ 2 " or larger supply line. A shut-off valve should be installed in the line before the brewer. Install a regulator in the line when pressure is...

  • Page 7

    Page 7 operating controls operating controls (a) main on/off switch this switch, located under the brewer behind the right front leg, turns power on and off to all components in the brewer. (b) batch selector switches pressing the switch corresponding to the small, medium, or large batch selects the...

  • Page 8

    Page 8 34025.2 071105 initial setup caution: the brewer must be disconnected from the power source throughout the initial setup, except when specified in the instructions. 1. Insert an empty funnel into the funnel rails of the brew station. 2. Place an empty server under the funnel. 3. Connect the b...

  • Page 9

    Page 9 glossary ad card: an assembly consisting of a computer chip and an instruction label. Used for loading advertising messages into the brewer. Brew lockout: the inability to initiate a brew if the water temperature is less than the ready temperature programmed into the brewer. Bypass: the proce...

  • Page 10

    Page 10 programming using the menu-driven display on the front of the brewer, the operator has the ability to alter or modify various brewing parameters such as brew temperatures, brew volumes, bypass percentages, etc. This allows for the precise brewing of various flavors of coffee. Programming of ...

  • Page 11

    Page 11 main screen this screen will be shown when the brewer is ready for use. The screen displays the water temperature in the tank. When the water in the tank reaches the correct set temperature, the display will change from heating to ready to brew. Programming lockout switch (mounted on main co...

  • Page 12

    Page 12 program functions - level 2 there are three methods of programming the various brewing parameters of the single sh with smart funnel brewer. Method 1: using a smart funnel and a g9-2t dbc or mhg grinder: certain coffee names are stored in the g9-2t dbc or mhg's memory. When a particular name...

  • Page 13

    Page 13 level i press upper right hidden switch for approximately 2 seconds, until the following screen appears. Level ii press upper right hidden switch for approximately 4 seconds, until “units” appears on screen. Returns to (a) review recipes? No yes no-name modify show next brew oz x.Xx (-) done...

  • Page 14

    Page 14 continues to (e) (d) enable ads? No done yes set temp: 200°f (-) done (+) set ready 195°f (-) done (+) 0 refill 155 (-) done (+) spry oz/m xx.X (-) done (+) bypas oz/m xx.X (-) done (+) % bypass xx (-) done (+) 3 batches done? No yes set pulse brew full 1/2 1/4 3 batches done? No yes drip ti...

  • Page 15

    Page 15 calibrate flow? No yes brew counters? No yes funnel detect no done yes service tools no yes sel brewer type? No yes (e) finished, returns to main screen count 0 next reset count 0 next test outputs? No yes test switches? No yes test servers? No yes brew valve on next off funnel lock on next ...

  • Page 16

    Page 16 units metric done eng changing units will!! Erase!! All previously stored recipes and all setup info wil be lost! Are you sure? Yes no selects metric as the unit of measure replace exit selects english as the unit of measure units (setting units of measure) this function allows the units of ...

  • Page 17

    Page 17 must grind into funnel first (coffee name) setup complete begin setup of (coffee name) quit setup? Yes insert funnel with new name review recipes? No yes (coffee name) no yes 3 batches done? No yes set new recipe? No yes 2 sec. Cycles through two screens funnel contains name funnel contains ...

  • Page 18

    Page 18 8. Using (-) and (+), set the amount of brew water, in ounces, to be dispensed over the grounds for that particular batch size. 9. When finished, press another batch size and repeat step #8 for that size. Continue setting all batch sizes. 10. When finished setting all batch sizes, press and ...

  • Page 19

    Page 19 set new recipe using a recipe card to load coffee names and brew settings into the single sh dbc with smart funnel: the g92t dbc or mhg's memory contains certain coffee names. If the operator uses a coffee name that is not already stored in the grinder's memory, a recipe card can be obtained...

  • Page 20

    Page 20 set new recipe: if not using a smart funnel (with a computer chip) and/or a g92t dbc grinder, the brewer will function as a standard bunn single brewer: it is possible to operate the brewer without using a smart funnel and/or a g92t dbc or mhg grinder. If a standard funnel, or if a non-dbc g...

  • Page 21

    Page 21 review recipes/modify recipes/set up no name coffee flavors: this function has three parts. It allows the operator to view the brew settings for the various coffee names programmed into the brewer. It also allows the operator to modify (change) any of the brew volumes, bypass percentages, pu...

  • Page 22

    Page 22 brew oz (setting or adjusting brew vol- umes) this function allows adjustment of the brew vol- umes for each batch. The indicator signifies volume in ounces per batch. Procedure for modifying recipes - brew ounces: range: 10.0 oz to 400 oz for all three batch sizes 1. Press and hold the uppe...

  • Page 23

    Page 23 % bypass this function allows adjustment of the amount of water that bypasses the grounds. The number signi- fies the percentage of the brew volume which does not flow over the coffee grounds. Modifying recipes - bypass percentages: range: 0% to 90% for all three batch sizes note: if the bre...

  • Page 24

    Page 24 set pulse brew: this function allows the operator to program the brewer to "pulse” the sprayhead flow on and off con- tinually during a brew cycle (start and stop the flow of water out of the sprayhead). This feature allows the ability to “fine-tune” the brewer for specific flavor profiles. ...

  • Page 25

    Page 25 exit to next function screen press done yes done yes screen displayed brew oz: xx.Xx 3 batches done? % bypass xx.X 3 batches done? Advances to all other coffee names programmed in the brewer's memory when the last coffee name in the brewer's memory is displayed, pressing next will exit and t...

  • Page 26

    Page 26 p3507 programming the brewer (cont.) 5 sec. Delay set pulse brew? No yes 3 batches done? No yes 3 batches done? No yes coffee name setup complete brew time xx.X (-) done (+) drip time xx.X (-) done (+) 1st off last xx.X xx.X xx.X easy pulse setup no yes enter times ? No yes see set pulse bre...

  • Page 27

    Page 27 set pulse brew - enter times note: the procedure to enter the pulse brew function must be performed prior to following the steps listed below. 1. Press and release yes. The display should now read easy pulse setup. 2. Press and release no. The display will read enter times? 3. Press yes to p...

  • Page 28

    Page 28 set pulse brew? No yes enter times? No yes easy pulse setup no yes 1st on time x:xx (-) done (+) off times: x:xx (-) done (+) last on: prei (-) done (+) 3 batches done? No yes exit to next function screen exit to next function screen 5 sec. Delay 1st off last xx.X xx.X prei programming the b...

  • Page 29

    Page 29 drip time (now displayed on "non" funnel lock units as well) this function allows the setting or modification of the funnel locks to stay engaged after the end of a brew cycle. This ensures that the funnel cannot be removed until after the liquid has emptied out of the funnel. Procedure to m...

  • Page 30

    Page 30 enable ads? This function allows the operator to choose whether or not to display the advertising message that was en- tered into the brewer with an ad card. This message will be displayed when the brewer is not in use. Procedure to enable/disable ads: 1. Press and hold the upper right hidde...

  • Page 31

    Page 31 procedure to set the sensitivity threshold of the refill circuit: note: make sure the water in the tank is touching the refill probe. 1. Press and hold the upper right hidden switch until the display reads units. Release the switch, then press and release switch until the display reads refil...

  • Page 32

    Page 32 procedure to adjust the flow rate setting: 1. Press and hold the upper right hidden switch until the display reads units. Release the switch, then press and release switch until the display reads bypas oz/m. The number represents what the brewer thinks is the flow rate of the bypass valve in...

  • Page 33

    Page 33 procedures to calibrate the bypass flow rate: 1. Place a container, accurately graduated in ounces, and with a minimum capacity of 60 ounces, below the funnel on the brewer. 2. Press and hold the upper right hidden switch until the display reads units.Release the switch, then press and relea...

  • Page 34

    Page 34 brew counters this function allows the operator to track the num- ber of brew cycles completed. There is one resettable counter, and one life counter that is not resettable. Exit to next function screen xxxx next reset xxxx next brew counters? No yes procedures to view/reset the brew counter...

  • Page 35

    Page 35 service tools this function allows the testing of individual com- ponents and the ability to check switches for proper function. This function also tests the soft heat server's status on the brewer (in place or removed), and the funnel sensor coil's frequency (diagnostic tool for troubleshoo...

  • Page 36

    Page 36 service tools (cont.) testing individual components (outputs): this will allow the operator to test the operation of individual components and outputs of the brewer. The components that can be individually tested are as follows: brew valve bypass valve funnel lock (optional) server refill va...

  • Page 37

    Page 37 service tools (cont.) exit this function and advance to the next function screen.) 5. The display should read test outputs. 6. In test outputs screen, press no. This advances to test switches. 7. Pressing no in this screen will advance to the next function. Press yes in the test switches scr...

  • Page 38

    Page 38 programming the brewer (cont.) factory defaults this function allows the operator to erase all of the previously entered recipes and ad messages. Factory- set default values will replace all previous settings. Exit exit replace will replace all brew settings are you sure? No yes factory defa...

  • Page 39

    Page 39 troubleshooting a troubleshooting guide is provided to suggest probable causes and remedies for the most likely problems encountered. If the problem remains after exhausting the troubleshooting steps, contact the bunn-o-matic technical service department. • inspection, testing, and repair of...

  • Page 40

    Page 40 troubleshooting (cont.) screen displayed possible cause troubleshooting procedure no funnel present temperature too low 1. Smart funnel not fully inserted into the funnel rails. 2. Not using a smart funnel, and the funnel detect function is activated (on). 1. Water temperature in the tank do...

  • Page 41

    Page 41 troubleshooting (cont.) troubleshooting procedure possible cause screen displayed to cancel press on/off to finish: press brew brew stopped! Server removed? 1. Soft heat server was moved out of position after the brew cycle was started. 1. On/off switch was pressed after the brew cycle was s...

  • Page 42

    Page 42 troubleshooting (cont.) troubleshooting procedure possible cause screen displayed check water supply fill time too long 1. Water shut off to brewer 2. Inlet solenoid valve failure 3. Control board failure 1. Temperature sensor probe wire(s) broken or not making connection. 1. Temperature sen...

  • Page 43

    Page 43 equipment will not operate. Brew cycle will not start. Automatic refill will not operate or display shows fill time too long 1. No power or incorrect voltage. 1. No water 2. On/off switch 3. Brew switch 4. Brew valve 5. Electronic control board 1. No water 2. Water strainer/flow control (.75...

  • Page 44

    Page 44 troubleshooting procedure troubleshooting (cont.) problem possible cause automatic refill will not operate or display shows fill time too long (cont.) water flows into tank continuously with power removed from brewer. 3. Refill probe or sensitivity set- ting 4. Refill valve 5. Overflow prote...

  • Page 45

    Page 45 troubleshooting (cont.) possible cause troubleshooting procedures check the sensitivity setting. Refer to the refill function. If the left three digit number is less than the right number, the machine “thinks” it is full and the refill valve should be off. If the left number is larger than t...

  • Page 46

    Page 46 troubleshooting (cont.) problem possible cause troubleshooting procedures remove power from the brewer. Connect a voltmeter across one of the tank heaters. Reapply power to the brewer and refer to testing individual components. If the full supply voltage is measured when the tank heater is t...

  • Page 47

    Page 47 troubleshooting (cont.) problem possible cause troubleshooting procedures 3. Electronic control board 1. Strainer/flow control (.750 gpm) 2. Improper water pressure 3. Brew valve 4. Bypass valve 5. Lime buildup perform the above procedure for testing triacs. If the voltage mea- sured is very...

  • Page 48

    Page 48 troubleshooting (cont.) problem possible cause troubleshooting procedures adjust the brew volume as required to achieve the recommended volume for each brew cycle. Repair or replace leaky valve. Bunn paper filters should be used for proper extraction. Check sprayhead the brew cycle should be...

  • Page 49

    Page 49 troubleshooting (cont.) problem possible cause troubleshooting procedures weak beverage (cont.) brewer is making unusual noises. 6. Incorrect recipe 1. Solenoid (inlet) 2. Plumbing lines 3. Water supply 4. Tank heaters. Consider adjusting bypass percent- age, preinfusion, or pulse brew. Cont...

  • Page 50: Schematic Wiring Diagram

    Page 50 limit thermostat triac tank heater sol sol sol sol brew bypass refill whi whi whi whi whi mt 1 blu -14 blk-14 blk-14 red n.C. Red overflow protection switch funnel lock (optional) + – ac ac rectifier 4 amp 24vdc + – whi blk blu/blk blk blu/blk red 120/208 or 120/240 volt a.C. + gnd single ph...

  • Page 51

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  • Page 52

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  • Page 53

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